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Nest Protect gen 2 POE

StealthRT

Sep 4, 2010
138
Joined
Sep 4, 2010
Messages
138
Hey all i am looking for some advice in how to go about my project with a Nest Protect gen 2.

In my home i have ran cat6 wire to all 3 locations that require a smoke detector. These cat6 cables are connected to a POE switch for powering the Nest Protect.

The version i picked up for the Nest Protect is the battery version. I am wanting to convert the battery to the POE in order to power it by POE instead of battery. The Nest Protect uses 6 x AA batteries that equal ~9vdc total.



I am converting the POE to 9vdc via a converter:



However my question is- do I need to wire up the 6 battery placers in parallel or series? It would seem that the Nest Protect AC version has only 3 x AA for power backup. Not sure if that matters in my case or not.

I would like to keep a battery backup just in case the POE goes out for whatever reason. The POE has a battery backup as well.
 
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